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Security Bulletin: IBM Verify Gateway does not hide a cryptographic key in one of its binary files (CVE-2020-4385)

Security Bulletin


Summary

In one of the binary files distributed with the IBM Verify Gateway (IVG) components, it's possible to locate a hard-coded cryptographic key that's passed as an argument to an encryption function. As of v1.0.1 of IVG for RADIUS and IVG for AIX PAM, and v1.0.2 of IVG for Linux PAM and IVG for Windows Login, this cryptographic key is hidden from view.

Vulnerability Details

CVEID:   CVE-2020-4385
DESCRIPTION:   IBM Verify Gateway (IVG) contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data.
CVSS Base score: 6.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/179266 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Verify Gateway (IVG)RADIUS 1.0.0
IBM Verify Gateway (IVG)PAM 1.0.0, 1.0.1
IBM Verify Gateway (IVG)WinLogin 1.0.0, 1.0.1

Remediation/Fixes

Log in to IBM X-Force Exchange / App Exchange and download and install the latest IBM Security Verify Gateway (renamed from IBM Verify Gateway) components. Specifically:

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

Jonathan Fitz-Gerald, John Zuccato, Rodney Ryan, Chris Shepherd, Nathan Roane, Kamil Sarbinowski, Vince Dragnea, Troy Fisher and Elaheh Samani from IBM X-Force Ethical Hacking Team.

Change History

14 Jul 2020: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

[{"Business Unit":{"code":"BU008","label":"Security"},"Product":{"code":"SSMRLK","label":"IBM Security Verify"},"Component":"IBM Verify Gateway","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"}],"Version":"1.0.0, 1.0.1","Edition":"","Line of Business":{"code":"LOB24","label":"Security Software"}}]

Document Information

Modified date:
09 March 2021

UID

ibm16251291